Fradubio

[Brother Doubt ], says Spenser, wooed and won Duessa (
False-faith); but one day, while she was bathing, discovered her to
be a “filthy old hag,” and resolved to leave her. False-faith
instantly metamorphosed him into a tree, and he will never be relieved
till “he can be bathed from the well of living water.” (Faërie
Queene, book i. 2.)